Some (2, n) combinatorial Stein groupoids.
Aequationes mathematicae, Tome 21 (1980), pp. 225-235
@article{AM2_1980__21_182432,
author = {M.J. Pelling and D.G. Rogers},
title = {Some (2, n) combinatorial {Stein} groupoids.},
journal = {Aequationes mathematicae},
pages = {225--235},
year = {1980},
volume = {21},
zbl = {0465.20064},
url = {http://geodesic.mathdoc.fr/item/AM2_1980__21_182432/}
}
M.J. Pelling; D.G. Rogers. Some (2, n) combinatorial Stein groupoids.. Aequationes mathematicae, Tome 21 (1980), pp. 225-235. http://geodesic.mathdoc.fr/item/AM2_1980__21_182432/